while true do -- makes the program loop rednet.open("left") -- listens for rednet id,message = rednet.receive() -- listens for rednet signal if id == 33 and message == "asdf" then -- checks sender and message content, then does something print("bonjourno!") rs.setOutput("right", true) --sends the redstone signal and pulses it with sleep sleep(3) rs.setOutput("right", false) end -- needed end -- needed